ADP
Automatic Data Processing insider trading
Industrials · Net selling
Close · Oct 5, 2026
$260.26
-7.8% over 12 months
Share price and insider trades
ADP closeInsider buyInsider sale
Bought, 12 months$746K
Sold, 12 months$13.8M
Insiders buying1
Insiders selling6
Valuation, profit and volume
P/E (trailing)n/aSector median 23.1
Market value—
Profit margin—Revenue growth —
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit+$196KOn all tracked purchases +26.3%
Summary
Over the past 12 months, 1 Automatic Data Processing insider reported open-market purchases totaling $746K, while 6 insiders reported sales totaling $13.8M. Among insiders with enough purchase history to measure, Robert Holmes Swan (Director) has the highest Insider Score at 59. 38 of 38 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales. 72 grants, option exercises and tax withholdings are not shown.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 4SEC | Joseph DesilvaExecutive Vp | Sell Plan | 631 | $282.87 | $178K | -8.0% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 10,591 | $280.82 | $3.0M | -7.3% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 7,724 | $281.66 | $2.2M | -7.6% | — |
| Sep 3SEC | Joseph DesilvaExecutive Vp | Sell Plan | 6,512 | $283.00 | $1.8M | -8.0% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 2,898 | $279.74 | $811K | -7.0% | — |
| Sep 3SEC | Christopher D'ambrosioCorp. Vp | Sell Plan | 1,872 | $283.00 | $530K | -8.0% | — |
| Sep 3SEC | David FoskettCorp. Vp | Sell Plan | 1,529 | $283.00 | $433K | -8.0% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 1,483 | $281.13 | $417K | -7.4% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 1,193 | $280.96 | $335K | -7.4% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 1,018 | $281.60 | $287K | -7.6% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 1,018 | $280.60 | $286K | -7.2% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 786 | $280.27 | $220K | -7.1% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 760 | $281.70 | $214K | -7.6% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 700 | $278.59 | $195K | -6.6% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 610 | $281.86 | $172K | -7.7% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 559 | $279.93 | $156K | -7.0% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 256 | $279.44 | $72K | -6.9% | — |
| Sep 3SEC | Maria BlackCEO, President | Sell Plan | 214 | $279.21 | $60K | -6.8% | — |
| Aug 24SEC | David KwonCorp Vp | Sell Plan | 798 | $280.00 | $223K | -7.1% | — |
| Aug 24SEC | Brian L. MichaudExecutive Vp | Sell Plan | 120 | $279.70 | $34K | -7.0% | — |
| Jul 31SEC | David KwonCorp Vp | Sell Plan | 1,053 | $265.62 | $280K | -2.0% | — |
| Jul 31SEC | David KwonCorp Vp | Sell Plan | 887 | $265.62 | $236K | -2.0% | — |
| Jul 31SEC | David KwonCorp Vp | Sell Plan | 474 | $265.62 | $126K | -2.0% | — |
| May 11SEC | Robert Holmes SwanDirector | Buy | 3,619 | $206.05 | $746K | +26.3% | 59 |
| May 11SEC | Brian L. MichaudExecutive Vp | Sell Plan | 848 | $212.13 | $180K | +22.7% | — |
| Apr 15SEC | Christopher D'ambrosioCorp. Vp | Sell Plan | 543 | $195.74 | $106K | +33.0% | — |
| Mar 17SEC | Christopher D'ambrosioCorp. Vp | Sell Plan | 543 | $208.45 | $113K | +24.9% | — |
| Feb 18SEC | Christopher D'ambrosioCorp. Vp | Sell Plan | 543 | $212.43 | $115K | +22.5% | — |
| Feb 9SEC | Brian L. MichaudExecutive Vp | Sell Plan | 1,000 | $234.18 | $234K | +11.1% | — |
| Feb 9SEC | David FoskettCorp. Vp | Sell Plan | 266 | $237.00 | $63K | +9.8% | — |
| Jan 14SEC | David KwonCorp Vp | Sell Plan | 806 | $264.80 | $213K | -1.7% | — |
| Jan 14SEC | Christopher D'ambrosioCorp. Vp | Sell Plan | 543 | $262.29 | $142K | -0.8% | — |
| Jan 8SEC | David KwonCorp Vp | Sell Plan | 900 | $260.00 | $234K | +0.1% | — |
| Jan 6SEC | Maria BlackCEO, President | Sell Plan | 294 | $258.09 | $76K | +0.8% | — |
| Jan 6SEC | Maria BlackCEO, President | Sell Plan | 145 | $257.24 | $37K | +1.2% | — |
| Jan 6SEC | Maria BlackCEO, President | Sell Plan | 98 | $258.77 | $25K | +0.6% | — |
| Jan 6SEC | Maria BlackCEO, President | Sell Plan | 71 | $254.95 | $18K | +2.1% | — |
| Jan 6SEC | Maria BlackCEO, President | Sell Plan | 56 | $255.73 | $14K | +1.8% | — |
| Jan 6SEC | Maria BlackCEO, President | Sell Plan | 51 | $253.32 | $13K | +2.7% | — |
Insiders at Automatic Data Processing
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Maria BlackCEO, President | — | $8.6M | Sep 3, 2026 | — |
| Robert Holmes SwanDirector | $746K | — | May 11, 2026 | 59 |
| Joseph DesilvaExecutive Vp | — | $2.0M | Sep 4, 2026 | — |
| David KwonCorp Vp | — | $1.3M | Sep 3, 2026 | — |
| Christopher D'ambrosioCorp. Vp | — | $1.0M | Sep 3, 2026 | — |
| David FoskettCorp. Vp | — | $496K | Sep 3, 2026 | — |
| Brian L. MichaudExecutive Vp | — | $448K | Sep 3, 2026 | — |
| Vishwas SuglaChief Strategy Officer | — | — | Sep 10, 2026 | — |
| Carlos A RodriguezDirector | — | — | Sep 3, 2026 | — |
| Michael A BonartiPresident | — | — | Sep 3, 2026 | — |
| Sreenivasa KutamCorp Vp | — | — | Sep 3, 2026 | — |
| Paul BolandCorp. Vp | — | — | Sep 3, 2026 | — |
| Virginia MagliuloExecutive Vp | — | — | Sep 3, 2026 | — |
| Peter J HadleyCFO | — | — | Sep 3, 2026 | — |
| Jonathan S LehbergerCorp. Vp | — | — | Sep 3, 2026 | — |
| Samantha D OrihuelaChief Marketing Officer | — | — | Sep 3, 2026 | — |
| Peter BissonDirector | — | — | Nov 14, 2025 | — |
| David GoeckelerDirector | — | — | Nov 14, 2025 | — |
| Linnie M HaynesworthDirector | — | — | Nov 14, 2025 | — |
| Francine S KatsoudasDirector | — | — | Nov 14, 2025 | — |
| Nazzic S KeeneDirector | — | — | Nov 14, 2025 | — |
| Karen S LynchDirector | — | — | Nov 14, 2025 | — |
| Thomas J LynchDirector | — | — | Nov 14, 2025 | — |
| Scott F PowersDirector | — | — | Nov 14, 2025 | — |
| Sandra S WijnbergDirector | — | — | Nov 14, 2025 | — |
Insider activity at other Industrials companies
Same sector, ranked by insider buying in the last 90 days.
Common questions about ADP insiders
Are Automatic Data Processing insiders buying ADP stock?
In the past 12 months, 1 insiders reported open-market purchases of ADP worth $746K. The latest was Director Robert Holmes Swan bought $746K of ADP at $206.05 — first open-market purchase in our records; raises the stake by 249%.
Are Automatic Data Processing insiders selling ADP stock?
6 insiders reported sales worth $13.8M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.